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Southern Gateway Public Green Project Update

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Presentation on theme: "Southern Gateway Public Green Project Update"— Presentation transcript:

1 Southern Gateway Public Green Project Update
Transportation & Trinity River Project Committee May 22, 2017 Tanya Brooks, Assistant Director Mobility and Street Services Department City of Dallas

2 Presentation Overview
Purpose Southern Gateway Public Green Update Discuss Implementation Options Discuss City Costs Discuss Funding Options Next Steps “Economic Vibrancy”

3 Purpose Provide brief overview of the Southern Gateway Project
Provide Southern Gateway Public Green/Deck Update Determine Southern Gateway Public Green/Deck Project Scope “Economic Vibrancy”

4 Southern Gateway Project Background
The Southern Gateway Highway Project (SGP) will: Provide Congestion Relief along IH-35E and US 67 Increase Capacity Improve Safety Address Existing Design Deficiencies The scope of the SGP is to: Widen Interstate I-35E, to five lanes in each direction with two reversible managed lanes in the center Widen US 67, to three lanes in each direction and with a reversible managed lane in the center Improve access to Southwest Center Mall from US 67 “Economic Vibrancy”

5 Southern Gateway Project Map
“Economic Vibrancy”

6 Southern Gateway Public Green Background
The Southern Gateway Public Green (SGPG) is a local enhancement to the highway project: March 21, 2015 – Southern Gateway Task Force created during Senator West’s “Eggs and Issues” community forum held at UNT Dallas Task Force asked (TxDOT) to consider adding a deck to the scope of the project: - Reconnect Oak Cliff - Provide a community gathering place - Generate Economic Development “Economic Vibrancy”

7 Southern Gateway Public Green Background
TxDOT analyzed the feasibility of four “deck” locations Marsalis to Ewing Ewing to Upton Beckley to Twelfth Overton March 10, 2016 – Regional Transportation Council (RTC) approved $40 million towards the Southern Gateway Public Green June 22, 2016 – Council adopted resolution endorsing Southern Gateway Public Green location between Marsalis and Ewing, after reviewing pros and cons of each of the four proposed locations “Economic Vibrancy”

8 Southern Gateway Public Green
“Economic Vibrancy”

9 Issues Previously Identified
Dallas Fire Department Concerns Recommended adding fire suppression system Funding Bond Funds General Funds Private Funds “Economic Vibrancy”

10 Southern Gateway Public Green Implementation Options
TxDOT Bids were opened on April 27, The contractor’s pricing: Option 1 – Build Full Deck (Ewing to Marsalis), All Foundations - $90,372,500 Option 2A - Build Half Deck (Ewing to Lancaster), All Foundations (with Fire Suppression) - $48,149,100 Option 2A - Build Half Deck (Ewing to Lancaster), All Foundations (without Fire Suppression) - $38,519,280 Option 3 – Build All Foundations ONLY, no Deck - $11,298,200 “Economic Vibrancy”

11 Southern Gateway Public Green Cost Breakdown
ITEMS OPTION 1 Foundations and Full Deck (Ewing to Marsalis) OPTION 2A Foundations and Half Deck (w/Fire Suppression)** Foundations and Half Deck (w/o Fire Suppression) OPTION 3 Foundations ONLY, NO Deck EXPENSES Southern Gateway Public Green Infrastructure $90,372,500 $ 48,149,100 $39,782,600 $11,298,200 FUNDING SOURCES RTC Contribution for Infrastructure $40,000,000 $38,519,280 $31,826,080 $9,038,560 Public/Private Cost for Infrastructure $50,372,500 $9,629,820 $7,956,520 $2,259,640 AMENITIES Cost for Amenities $22,000,000 $ **NFPA Conditionally Mandatory based Engineering Analysis “Economic Vibrancy”

12 Southern Gateway Public Green Future Maintenance Cost Breakdown
OPTION 1 Foundations and Full Deck (Ewing to Marsalis) OPTION 2A Foundations and Half Deck (w/Fire Suppression)** Foundations and Half Deck (w/o Fire Suppression) OPTION 3 Foundations ONLY, NO Deck Tunnel Maintenance (Annual) $1,900,000 $1,045,000 $ Cost for Operations & Maintenance (Annual Estimate) $3,300,000 $ 1,900,000 $ Annual Cost $5,200,000 $ 2,945,000 $

13 Southern Gateway Public Green Time Lines
“Economic Vibrancy”

14 Next Steps Council Action to Approve the following:
Advanced Funding Agreement with Texas Department of Transportation Operation and Maintenance Agreement with Texas Department of Transportation Airspace Lease Agreement with Texas Department of Transportation Private Funding Donor Agreement Alternative Funding “Economic Vibrancy”

15 Southern Gateway Project & Public Green/Deck Plaza
Transportation & Trinity River Project Committee May 22, 2017 Tanya Brooks, Assistant Director Mobility and Street Services Department City of Dallas


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